code: def setUp(self):
      self.loop = asyncio.new_event_loop()
      self.stop_server_future = self.loop.create_future()
      asyncio.set_event_loop(None)
  
file_path: evadb/test/unit_tests/server/test_command_handler.py
imports: import asyncio
  import unittest
  from unittest.mock import MagicMock
  import mock
  from evadb.server.command_handler import handle_request
label_desc: Use image node_id 1 for calling the CommandHandlerTests obj's underlying member method code with example usage: obj.setUp() without return types